Finding the Fourth Proportional to 7,005.20, 9,667.31 and 3,861.41

Step by Step Solution

1. Step 1: Write the proportion equation
   7,005.20 : 9,667.31 = 3,861.41 : x
2. Step 2: Convert to fraction form
   7,005.20/9,667.31 = 3,861.41/x
3. Step 3: Cross multiply
   7,005.20x = 9,667.31 × 3,861.41
4. Step 4: Simplify right side
   7,005.20x = 37,329,379.86
5. Step 5: Solve for x
   x = 37,329,379.86/7,005.20
6. Step 6: Final answer
   x = 5,328.81